These are some songs and my preference for their playback. If you would like to try this out on your computer; Install SoX, it’s great.
Alan Walker - Faded ········································ speed 0.6 tempo 1.5Robyn - Dancing On My Own ·································· speed 0.5 tempo 1.5Taylor Swift - Ready for it ································ speed 0.6 tempo 1.5Destiny's Child - Say My Name ······························ speed 0.5 tempo 1.5Rihanna - Diamonds ········································· speed 0.6 tempo 1.5Demi Lovato - Sorry Not Sorry ······························ speed 0.6 tempo 1.5Mariah Carey - Vision Of Love ······························ speed 0.6 tempo 1.5Katy Perry - Unconditionally ······························· speed 0.6 tempo 1.5Mariah Carey - Without You ································· speed 0.5 tempo 1.5Tina Turner - We Don't Need Another Hero (Thunderdome) ····· speed 0.5 tempo 1.5Beyoncé - Crazy In Love ···································· speed 0.6 tempo 1.5Céline Dion - The Power Of Love ···························· speed 0.6 tempo 1.5